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1012221210213 = 32199956262643
BaseRepresentation
bin11101011101011010001…
…01011110111001100101
310120202201102210020012100
432232231011132321211
5113041012112211323
62053001421242313
7133062533216343
oct16565505367145
93522642706170
101012221210213
1136030a537024
12144212a03399
13745b5202885
1436dc55a8993
151b4e4630943
hexebad15ee65

1012221210213 has 12 divisors (see below), whose sum is σ = 1462828744000. Its totient is φ = 674476552296.

The previous prime is 1012221210211. The next prime is 1012221210229. The reversal of 1012221210213 is 3120121222101.

1012221210213 is a `hidden beast` number, since 10 + 12 + 221 + 210 + 213 = 666.

It is not a de Polignac number, because 1012221210213 - 21 = 1012221210211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012221210211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28113331 + ... + 28149312.

Almost surely, 21012221210213 is an apocalyptic number.

It is an amenable number.

1012221210213 is a deficient number, since it is larger than the sum of its proper divisors (450607533787).

1012221210213 is a wasteful number, since it uses less digits than its factorization.

1012221210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56264648 (or 56264645 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1012221210213 its reverse (3120121222101), we get a palindrome (4132342432314).

The spelling of 1012221210213 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 3 9 1999 5997 17991 56262643 168787929 506363787 112469023357 337407070071 1012221210213